Will you be my Groomsman card Keep it simple with these cards when you need to ask your mates to be by your side! Wedding Proposal card for the Groomsman party , ask your friends in style to be your Best man or Groomsman Cards are white high quality card-  300gsm with black print on them and come with matching black envelope.  This is perfect for asking one of your friends to be apart of your special day by just the card or adding it to a box of goodies for the Groomsman. ( we also provide these)